+void
+Automatable::transport_located (framepos_t now)
+{
+ for (Controls::iterator li = controls().begin(); li != controls().end(); ++li) {
+
+ boost::shared_ptr<AutomationControl> c
+ = boost::dynamic_pointer_cast<AutomationControl>(li->second);
+ if (c) {
+ boost::shared_ptr<AutomationList> l
+ = boost::dynamic_pointer_cast<AutomationList>(c->list());
+
+ if (l) {
+ l->start_write_pass (now);
+ }
+ }
+ }
+}
+
+void
+Automatable::transport_stopped (framepos_t now)
+{
+ for (Controls::iterator li = controls().begin(); li != controls().end(); ++li) {
+
+ boost::shared_ptr<AutomationControl> c
+ = boost::dynamic_pointer_cast<AutomationControl>(li->second);
+ if (c) {
+ boost::shared_ptr<AutomationList> l
+ = boost::dynamic_pointer_cast<AutomationList>(c->list());
+
+ if (l) {
+ /* Stop any active touch gesture just before we mark the write pass
+ as finished. If we don't do this, the transport can end up stopped with
+ an AutomationList thinking that a touch is still in progress and,
+ when the transport is re-started, a touch will magically
+ be happening without it ever have being started in the usual way.
+ */
+ l->stop_touch (true, now);
+ l->write_pass_finished (now);
+
+ if (l->automation_playback()) {
+ c->set_value(c->list()->eval(now));
+ }
+
+ if (l->automation_state() == Write) {
+ l->set_automation_state (Touch);
+ }
+ }
+ }
+ }
+}
+
+boost::shared_ptr<Evoral::Control>
+Automatable::control_factory(const Evoral::Parameter& param)
+{
+ boost::shared_ptr<AutomationList> list(new AutomationList(param));
+ Evoral::Control* control = NULL;
+ if (param.type() >= MidiCCAutomation && param.type() <= MidiChannelPressureAutomation) {
+ MidiTrack* mt = dynamic_cast<MidiTrack*>(this);
+ if (mt) {
+ control = new MidiTrack::MidiControl(mt, param);
+ } else {
+ warning << "MidiCCAutomation for non-MidiTrack" << endl;
+ }
+ } else if (param.type() == PluginAutomation) {
+ PluginInsert* pi = dynamic_cast<PluginInsert*>(this);
+ if (pi) {
+ control = new PluginInsert::PluginControl(pi, param);
+ } else {
+ warning << "PluginAutomation for non-Plugin" << endl;
+ }
+ } else if (param.type() == GainAutomation) {
+ Amp* amp = dynamic_cast<Amp*>(this);
+ if (amp) {
+ control = new Amp::GainControl(X_("gaincontrol"), _a_session, amp, param);
+ } else {
+ warning << "GainAutomation for non-Amp" << endl;
+ }
+ } else if (param.type() == PanAzimuthAutomation || param.type() == PanWidthAutomation || param.type() == PanElevationAutomation) {
+ Pannable* pannable = dynamic_cast<Pannable*>(this);
+ if (pannable) {
+ control = new PanControllable (_a_session, pannable->describe_parameter (param), pannable, param);
+ } else {
+ warning << "PanAutomation for non-Pannable" << endl;
+ }
+ }
+
+ if (!control) {
+ control = new AutomationControl(_a_session, param);
+ }
+
+ control->set_list(list);
+ return boost::shared_ptr<Evoral::Control>(control);
+}
+
+boost::shared_ptr<AutomationControl>
+Automatable::automation_control (const Evoral::Parameter& id, bool create)
+{
+ return boost::dynamic_pointer_cast<AutomationControl>(Evoral::ControlSet::control(id, create));
+}
+
+boost::shared_ptr<const AutomationControl>
+Automatable::automation_control (const Evoral::Parameter& id) const
+{
+ return boost::dynamic_pointer_cast<const AutomationControl>(Evoral::ControlSet::control(id));
+}
+
+void
+Automatable::clear_controls ()
+{
+ _control_connections.drop_connections ();
+ ControlSet::clear_controls ();
+}
+
+string
+Automatable::value_as_string (boost::shared_ptr<AutomationControl> ac) const
+{
+ std::stringstream s;
+
+ /* this is a the default fallback for this virtual method. Derived Automatables
+ are free to override this to display the values of their parameters/controls
+ in different ways.
+ */
+
+ // Hack to display CC as integer value, rather than double
+ if (ac->parameter().type() == MidiCCAutomation) {
+ s << lrint (ac->get_value());
+ } else {
+ s << std::fixed << std::setprecision(3) << ac->get_value();
+ }
+
+ return s.str ();
+}